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Amplifiers & Speakers:
Amplifier Heads
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Euphonic Audio iAMP 500 Musical Instrument Amplifier |
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Manufactured by:
Euphonic Audio
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Discontinued, See Text
Shipping Cost: Starting at $13.00*
* Shipping cost assumes shipment to the Eastern Continental USA. You can temporarily add the product to your shopping cart to view actual shipping charges, or
Log in or create an account with a shipping address to automatically see shipping charges on each product page. We usually combine shipping costs for multiple item orders.
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The iAMP500 has been discontinued in favor of the Micro/Doubler and iAMP Pro |
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iAMP 500
The iAMP500 is designed and constructed to offer the user the utmost in performance, versatility, and technology. Click here to see a larger image of the iAMP 350 control panel; the iAMP 500 has the same control layout.
The Preamp Circuitry
The iAMP500 preamplifier circuitry consists of specially selected low noise, high bandwidth integrated circuits and support components assembled onto an FR-4 epoxy glass circuit board by automated equipment. Each electronic component is individually checked for proper function by an automated testing system proprietary to EA. The complete circuit is then checked for proper operation. Connectors are used, but used sparingly. DC coupling for the audio signal path is maintained in the crucial areas.
- Uses: acoustic instruments, bass, and keyboards
- Inputs: 1/4" Active and Passive jacks with LED overload indicator, Mini Stereo In with Volume (CD, tape)
- Input Impedance: Active input: 22K ohms; Passive input: 1 Megohm
- Controls: Input Volume, EQ In/Out, Master Volume, DI Level, Speaker On/Off, DI Output On/Off
- EQ: Lo, Lo-Mid, Hi-Mid, and Hi: all with boost/cut and variable frequency controls. Lo-Mid and Hi-Mid
have Half / Full Octave Q switch
- EQ Presets: Deep, Contour 1, Contour 2, Bright
- Effects Loop: Series Post EQ with level control
- Outputs: Two parallel 1/4" speaker, 1/4" Stereo Headphone, 1/4" Tuner, XLR balanced DI
- Frequency Response: 20Hz to20kHz ±3dB
- Power Output: 350 watts @ 8 ohms, 500 watts @ 2 or 4 ohms
- Size: approximately 3.5"H x 13.5"W x 11"D
- Weight: approx 14 lbs.
- Cool Feature: Play along with a CD without anyone hearing! Plug in your instrument, connect CD
player to the Stereo Mini In, connect headphones to the headphone jack, hit the Speaker
Off switch, set the volume/blend levels for your instrument and CD using the respective
Input Volume controls, set the overall headphone level with the Master Volume, and
presto... private practice session.
For a more detailed description of the controls and features of the iAmp 500, click here.
Control Panel Details:
This is the control panel for the iAMP 800 (the iAMP 500 and iAMP 200 preamp (used in the Wizzy Combo) both have the same control panel but without the second effects loop on the right side. The iAMP 800 also has an LED level meter alongside the input jacks. I've annotated the illustration with the control panel markings, which I explain below.
The center EQ section may look a little complicated, but it is pretty intuitive once you understand its concepts and interactively wrap your ears around its effects. The Deep and Contour II presets are favorites of mine, and Contour I and Bright are very nice as well. The four part section section has controls for Bass, Low-Midrange, High Midrange, and High, with a range -15db to +15db. The slider beneath each lets you select the semi-parametric center frequency that the knob affects, so you can very precisely choose and affect favorite frequency bands to dial in your sound - or dial out problem frequencies when on a "stage from hell" that might be causing "boominess" or "honking." The two midrange bands allow you to select the width ("Q") of the band of frequencies to affect, either 1/2 or 1 full octave.
As an example-- getting too much finger noise from your double bass sound?? Move the High Mid slider to 1kZ, and use the dial above to subtract some of that noise! Knowing the "magic" frequencies helps, but the bottom line is: you can easily use your ears to make these adjustments. The EQ section can be switched in and out, which is very helpful if you are switching between two basses, and one needs more sound tailoring than the other.
The rest of the features are pretty self-explanatory, and of course for optional use, but please email me if you have any questions. I have been regularly gigging with an iAMP 800 for several years now!.
EA thinks you're smart: They use REAL Volume Controls
Rather than have all the volume in the first turn of the knob, EA uses potentiometers that are more linear. This means you may actually have to turn the master volume all the way up to the 3 o'clock position when things get really, really loud. This gives you a more realistic measure of how much power you are using. Most other amp manufacturers (and think stereos, car radios, etc.) use a taper that puts all the volume up front. This is to impress unsuspecting customers trying gear in stores. "Wow, listen to how loud it is, and it's only on 2? ," he says, and thinks to himself, ”This thing must get really loud!!”
Nope, they're just fooling with you. It pretty much stops getting louder around 5, and then only gets more distorted. EA thinks it's better to use the entire volume control. You'll otherwise never actually attain the mythic eleven.
Is this an EA Exclusive?? We're not sure, but we think others should follow their example. Euphonic Audio says respect your customers, don't try to fool them.
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FAQs Associated With This Product
SPEAKON SPEAKER CONNECTORS: what are they and why are they used?
Here is what some of our customers think about this product:
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Hi Bob,
Just wanted to let you know that the EA rig arrived on Monday, just like you said it would. I took it out to band practice last night and it kicked some serious bass butt! The only downside, if you want to call it that, is that the tonal quality and accuracy is challenging me to play better. With my old Peavey amp, any old noise I made on the bass came out as an ill defined thump. Now the amp is replicating what I'm playing- good tone, clinkers and all. I actually had the experience in my living room of not thinking it was working because I only heard the same sound, a bit louder. When I cranked it, I heard the same sound, only LOUDER!
Needless to say I'm thrilled and in one day I lost forty pounds of ugly amp! (the difference in weight between the Peavey and the EA) Of course, it fits in the car better, and for short trips from the car to the house, I can pick up the bass with one hand and the amp in the other- of course I AM a manly man!
About EA- I had a couple of questions about setting up the amp controls and emailed EA- even though it was like 8:30 or so, I got a reply from Larry in a half an hour- I fully expected that reply to come sometime during the next business day.
So, let's see- I bought a K&K bass max, a bridge and this amp from you, and I've been thrilled with each purchase.
Thanks, Bob, for your unswerving support of the low down community.
—John
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